Traction Forces of Drive Tyre on the Compacted Soil,
INSTITUTE FOR BUILDINGS MECHANIZATION AND ELECTRIFICATION IN AGRICULTURE WARSAW (POLAND)
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Kind of soil and its condition exerts an important influence on the size of traction forces achieved by driving systems. The kind of soil determined by its mechanical composition may be assumed as unaltered even for a long period of time. The condition of soil determined by its physical and mechanical properties is dependent on the kind of cultivation, vegetation humidity and compaction. As a result the value of traction forces depends on the temporary condition of soil. In order to find out the value of traction forces as influenced by the compaction of soil traction tests of tractor drive tyre were effected at the Institute for Buildings, Mechanization and Electrification in Agriculture in Warsaw. Tests dealt with in this report were made under humidity of soil and operation parameters of the tyre vertical load and inflation pressure kept fixed while changing the compaction of soil.